French President Emmanuel Macron (R) holds hands with his Brazilian counterpart, Luiz Inacio Lula da Silva (C) and Brazilian First Lady Rosangela Janja Da Silva (L), as they pose for a picture with workers, navy members, and authorities in front of the Tonelero submarine during its launch at the Itaguai naval base in Itaguai, Rio de Janeiro State, Brazil, on March 27, 2024. President Emmanuel Macron said Wednesday that France would help Brazil develop nuclear propulsion on its future submarines, crucial assistance which has been a sensitive topic between the two nations. (Photo by Ludovic MARIN / POOL / AFP)